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參數資料
型號: ADUC843BCP8-5
廠商: ANALOG DEVICES INC
元件分類: 微控制器/微處理器
英文描述: MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
中文描述: 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56
封裝: 8 X 8 MM, LEAD FRAME, MO-220VLLD2, CSP-56
文件頁數: 20/88頁
文件大小: 903K
代理商: ADUC843BCP8-5
ADuC841/ADuC842/ADuC843
Rev. 0 | Page 20 of 88
UPPER 1792
BYTES OF
ON-CHIP XRAM
(DATA + STACK
FOR EXSP = 1,
DATA ONLY
FOR EXSP = 0)
256 BYTES OF
ON-CHIP DATA
RAM
(DATA +
STACK)
LOWER 256
BYTES OF
ON-CHIP XRAM
(DATA ONLY)
00H
FFH
00H
07FFH
CFG841.7 = 0
CFG842.7 = 0
100H
0
CFG841.7 = 1
CFG842.7 = 1
Figure 24. Extended Stack Pointer Operation
External Data Memory (External XRAM)
Just like a standard 8051 compatible core, the ADuC841/
ADuC842/ADuC843 can access external data memory by using
a MOVX instruction. The MOVX instruction automatically
outputs the various control strobes required to access the data
memory.
The parts, however, can access up to 16 MBytes of external data
memory. This is an enhancement of the 64 kBytes of external
data memory space available on a standard 8051 compatible core.
The external data memory is discussed in more detail in the
Hardware Design Considerations section.
Internal XRAM
The parts contain 2 kBytes of on-chip data memory. This
memory, although on-chip, is also accessed via the MOVX
instruction. The 2 kBytes of internal XRAM are mapped into
the bottom 2 kBytes of the external address space if the
CFG841/CFG842 bit is set. Otherwise, access to the external
data memory occurs just like a standard 8051. When using the
internal XRAM, Ports 0 and 2 are free to be used as general-
purpose I/O.
EXTERNAL
DATA
MEMORY
SPACE
(24-BIT
ADDRESS
SPACE)
000000H
FFFFFFH
CFG841.0 = 0
CFG842.0 = 0
EXTERNAL
DATA
MEMORY
SPACE
(24-BIT
ADDRESS
SPACE)
000000H
FFFFFFH
CFG841.0 = 1
CFG842.0 = 0
0007FFH
000800H
2 kBYTES
ON-CHIP
XRAM
0
Figure 25. Internal and External XRAM
SPECIAL FUNCTION REGISTERS (SFRS)
The SFR space is mapped into the upper 128 bytes of internal
data memory space and is accessed by direct addressing only. It
provides an interface between the CPU and all on-chip periph-
erals. A block diagram showing the programming model of the
parts via the SFR area is shown in Figure 26.
All registers, except the program counter (PC) and the four
general-purpose register banks, reside in the SFR area. The SFR
registers include control, configuration, and data registers, which
provide an interface between the CPU and all on-chip peripherals.
128-BYTE
SPECIAL
FUNCTION
REGISTER
AREA
62-kBYTE
ELECTRICALLY
REPROGRAMMABLE
NONVOLATILE
FLASH/EE PROGRAM
MEMORY
8051
COMPATIBLE
CORE
OTHER ON-CHIP
PERIPHERALS
TEMPERATURE
SENSOR
2
×
12-BIT DACs
SERIAL I/O
WDT
PSM
TIC
PWM
8-CHANNEL
12-BIT ADC
4-kBYTE
ELECTRICALLY
REPROGRAMMABLE
NONVOLATILE
FLASH/EE DATA
MEMORY
2304 BYTES
RAM
0
Figure 26. Programming Model
相關PDF資料
PDF描述
ADUC841 MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
ADUC841BCP62-3 MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
ADUC841BCP62-5 Cable Gland (Clamp); Connector Shell Size:10SL, 12S; Thread Size:5/8-24; Approval Categories:MIL-C-5015; Series:97 RoHS Compliant: Yes
ADUC841BCP8-3 10-823955-004
ADUC841BCP8-5 Cable Gland (Clamp); Connector Shell Size:14, 14S; Thread Size:3/4-20; Body Material:Zinc Alloy
相關代理商/技術參數
參數描述
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ADUC843BCPZ62-3 功能描述:IC MCU FLASH 12BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 標準包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C,Microwire,SPI,SSI,SSP,UART/USART,USB 外圍設備:欠壓檢測/復位,POR,WDT 輸入/輸出數:40 程序存儲器容量:96KB(96K x 8) 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:48-LQFP 包裝:托盤 其它名稱:568-9587
ADUC843BCPZ8-3 功能描述:IC MCU FLASH 12BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設備:欠壓檢測/復位,LED,POR,PWM,WDT 輸入/輸出數:16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數據轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
ADUC843BCPZ8-5 功能描述:IC MCU FLASH 12BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設備:欠壓檢測/復位,LED,POR,PWM,WDT 輸入/輸出數:16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數據轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
ADUC843BS62-3 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V 52-Pin MQFP
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